CN104691521B - Holding brake device - Google Patents

Holding brake device Download PDF

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Publication number
CN104691521B
CN104691521B CN201410136866.5A CN201410136866A CN104691521B CN 104691521 B CN104691521 B CN 104691521B CN 201410136866 A CN201410136866 A CN 201410136866A CN 104691521 B CN104691521 B CN 104691521B
Authority
CN
China
Prior art keywords
nut
bolt
drag
brake device
holding brake
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201410136866.5A
Other languages
Chinese (zh)
Other versions
CN104691521A (en
Inventor
崔无尽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hyundai Mobis Co Ltd
Original Assignee
Hyundai Mobis Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hyundai Mobis Co Ltd filed Critical Hyundai Mobis Co Ltd
Publication of CN104691521A publication Critical patent/CN104691521A/en
Application granted granted Critical
Publication of CN104691521B publication Critical patent/CN104691521B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
    • B60T13/746—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive and mechanical transmission of the braking action
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2121/00—Type of actuator operation force
    • F16D2121/18—Electric or magnetic
    • F16D2121/24—Electric or magnetic using motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2125/00—Components of actuators
    • F16D2125/18—Mechanical mechanisms
    • F16D2125/58—Mechanical mechanisms transmitting linear movement
    • F16D2125/60—Cables or chains, e.g. Bowden cables
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2125/00—Components of actuators
    • F16D2125/18—Mechanical mechanisms
    • F16D2125/58—Mechanical mechanisms transmitting linear movement
    • F16D2125/60—Cables or chains, e.g. Bowden cables
    • F16D2125/62—Fixing arrangements therefor, e.g. cable end attachments

Abstract

The present invention provides a kind of holding brake device, it is characterised in that including：Housing section；Bolt, it is arranged at housing section, is rotated by drive division；And nut, it is passed through and be screwed with it by the bolt.The holding brake device of the present invention can significantly extend the length of stroke by changing the composition of nut and the binding site of brake cable.Also, the nut structure of the present invention is simple, volume and weight reduce, therefore can reduce manufacture unit price.Also, the present invention can avoid the abrasion such as nut and breakage, and reduce noise by preventing nut from rocking.

Description

Holding brake device
Technical field
Linear motion is converted to the present invention relates to a kind of holding brake device, more particularly to revolving force, and can be prolonged The holding brake device of long stroke length.
Background technology
Generally, holding brake device is used in order to prevent the vehicle of parking mobile.Electronic brake device（EPB, Electronic Parking Brake）By the way that the rotary motion of motor part is converted to linear motion, to wheel transmission system Power.
That is, for electronic brake device, bolt and spiral shell when by switch or control-rod drive motor portion Mother moves with the rotation of motor part, the brake cable for being connected to screw bolt and nut is pulled, to produce brake force.
Generally, the arrangement (Lay out) of circumferential component in holding brake device, the shape of nut and with brake cable Binding site determines the relative movement distance of nut and screw rod, i.e. stroke.It is thus impossible to substantially ensure that the row of holding brake device Journey, need exist to improving the problem.
The background technology of the present invention is disclosed in South Korea and discloses invention publication the 2009-0039056th（It is 2009.04.22 public Open, denomination of invention：Vehicle electronic parking braking system）In.
The content of the invention
Technical problem
For the present invention in order to improve above mentioned problem, its object is to provide a kind of relative movement by extending screw bolt and nut Distance is haul distance, reduces the holding brake device slided during nut movement.
Technical scheme
Holding brake device of the present invention, it is characterised in that including housing section；Bolt, it is arranged at the housing Portion, rotated by drive division；And nut, it is passed through and is screwed by the bolt.
The bolt of the present invention, it is characterised in that including：Drive division connecting portion, its outer peripheral face are mutually tied with the drive division Close, rotated by the drive division；Bolt drag-line joint portion, it is convexly formed in one end of the drive division connecting portion Portion, it is connected with brake cable；And screw thread forming portion, it is convexly formed in the other end of the drive division connecting portion, outside Side face is combined formed with screw thread by the screw thread with the nut.
The nut of the present invention, it is characterised in that including:Nut body, it surrounds the outside of the bolt so that the spiral shell Bolt penetrates its inner side and is screwed；And nut drag-line joint portion, it is incorporated into the nut body, and with brake cable phase With reference to.
The nut drag-line joint portion of the present invention, it is characterised in that including：Drag-line combination body, it is arranged at the nut sheet The outer peripheral face of body；And drag-line combination groove portion, it is formed at the drag-line combination body, and is combined with the brake cable.
It is a feature of the present invention that the drag-line combination body forms one with the nut body.
It is a feature of the present invention that the drag-line combination groove portion is recessed to the direction of the length direction parallel to the bolt Form.
The holding brake device of the present invention, it is characterised in that also include：Guide portion, it is fixed on the housing section, described Nut is combined with it in sliding manner, guides the movement of the nut.
The guide portion of the present invention, it is characterised in that including：Body is guided, it is arranged at the inner side of the housing section；And Nut installation portion, it is hollowly formed at the inner side of the guiding body, and the nut is combined with it in sliding manner.
It is a feature of the present invention that the guiding body forms one with the housing section.
The guide portion of the present invention, it is characterised in that also include：Guide opening portion, it is formed at the guiding body Side, the nut drag-line joint portion is accommodated, to guide the movement of the nut drag-line joint portion.
It is a feature of the present invention that the guide opening portion is formed to the direction parallel with the length direction of the bolt.
Technique effect
The holding brake device of the present invention, can be significantly by changing the composition of nut and the binding site of brake cable Extend the length of stroke.
Also, the nut structure of the present invention is simple, volume and weight reduce, therefore can reduce manufacture unit price.
Also, the present invention can avoid the abrasion such as nut and breakage, and reduce noise by preventing nut from rocking.
Brief description of the drawings
Fig. 1 is the sectional view of the holding brake device of display one embodiment of the invention；
Fig. 2 is the schematic diagram of the bonding state of the screw bolt and nut of display one embodiment of the invention；
Fig. 3 is the stereogram of the nut of display one embodiment of the invention；
Fig. 4 is the schematic diagram of the work of the holding brake device of display one embodiment of the invention；
Fig. 5 is the sectional view of the state of the guide portion of display installation one embodiment of the invention；
Fig. 6 is the guide portion of display one embodiment of the invention and the schematic diagram of nut；
Fig. 7 is the schematic diagram of the bonding state for the guide portion and nut for showing one embodiment of the invention.
Description of reference numerals
1：Holding brake device 10：Drive division
11：Motor part 15：Reduction part
20：Electronic control unit (ECU) 30：Brake cable
100：Housing section 200：Bolt
210：Drive division connecting portion 230：Bolt drag-line joint portion
250：Screw thread forming portion 300：Nut
310：Nut body 350：Nut drag-line joint portion
351：Drag-line combination body 355：Drag-line combination groove portion
400：Guide portion 410：Guide body
450：Nut installation portion 470：Guide opening portion
Embodiment
Below, it is described with reference to one embodiment of the holding brake device of the present invention.The line illustrated in the process The thickness of bar and the size of inscape etc. may amplify for the definition and convenience of explanation.
In addition, term described later allows for the function in the present invention and defined, it is possible that according to user and fortune The intention or convention of user and have different understanding.So the definition of this term should be using the entire content of this specification as base Plinth.
Fig. 1 is the sectional view of the holding brake device of display one embodiment of the invention, and Fig. 2 is a display reality of the invention Apply the schematic diagram of the bonding state of the screw bolt and nut of example.
Reference picture 1 and Fig. 2, the holding brake device of one embodiment of the invention include housing section 100, bolt 200 and spiral shell Mother 300.
Housing section 100 forms the outward appearance of holding brake device 1, synthetic resin or metal material can be utilized to be formed.This reality The housing section 100 for applying example surrounds drive division 10, bolt 200, nut 300, prevents the parts such as drive division 10, bolt 200 by outer Portion impacts and damaged, and prevents by the foreign substance pollution of outside inflow.
The drive division 10 of the present embodiment is by electronic control unit（Electronic Control Unit：ECU）20 controls, It includes motor part 11 and reduction part 15.The electric energy that outside provides is converted to rotational energy by motor part 11.Motor part 11 The rotational energy of conversion is delivered to the bolt 200 that the portion of being decelerated 15 controls rotary speed, so that bolt 200 rotates.
Bolt 200 is arranged at housing section 100, is rotated by drive division 100.The bolt 200 of the present embodiment includes driving Dynamic portion's connecting portion 210, bolt drag-line joint portion 230 and screw thread forming portion 250.
The outer peripheral face of drive division connecting portion 210 is combined with drive division 10, is rotated by drive division 10.The present embodiment Drive division connecting portion 210 forms corner post shape, is incorporated into drive division 10 in sliding manner.
So drive division connecting portion 210 is rotated by the revolving force from drive division 10, now with nut 300 it Between be screwed locking or outward winding, can move back and forth（Refer to left and right directions when on the basis of Fig. 1）.
Bolt drag-line joint portion 230 is convexly formed in the one end of drive division connecting portion 210（Refer to when on the basis of Fig. 1 Right-hand end）, direct or through support with one in a pair of brake cables 30 and be connected.
Screw thread forming portion 250 is convexly formed in the other end of drive division connecting portion 210（Refer to a left side when on the basis of Fig. 1 Side end）, its outer peripheral face formation screw thread, it is connected by screw thread with nut 300.
Fig. 3 is the stereogram of the nut of one embodiment of the invention, and Fig. 4 is the parking system of display one embodiment of the invention The schematic diagram of dynamic device work.
Reference picture 3 and Fig. 4, bolt 200 penetrate nut 300 and are screwed with it.The nut 300 of the present embodiment is incorporated into Housing section 100 or following guide portions 400, make its energy in the state of rotation is limited by housing section 100 or guide portion 400 It is enough to be moved back and forth along the length direction of bolt 200.
The nut 300 of the present embodiment is when bolt 200 is rotated by drive division 10, with the screw thread between bolt 200 With reference to locking or outwarding winding, in the medial movement of housing section 100.So as to tense or release the combination in the system of the one end of nut 300 Dynamic drag-line 30.
The nut 300 of the present embodiment includes nut body and nut drag-line joint portion 350.
Nut body 310 surrounds the outside of bolt 200, and bolt 200 penetrates the inner side of the nut body 310 and passes through spiral shell Line is in connection.The nut body 310 of the present embodiment is bolted 200 insertions and in connection by screw thread, so can be in spiral shell Moved back and forth on bolt 200, thus screw thread connection unit position locking between screw thread or when outwarding winding displacement, i.e. stroke length Increase.
Nut drag-line joint portion 350 is formed at the outer peripheral face of nut body 310, and is combined with brake cable 30.This implementation The nut drag-line joint portion 350 of example includes drag-line combination body 351 and drag-line combination groove portion 355.
Drag-line combination body 351 is incorporated into the outer peripheral face of nut body 310.The drag-line combination body 351 of the present embodiment with Nut body 310 forms one and combined with brake cable 30.
Drag-line combination groove portion 355 is hollowly formed at drag-line combination body 351 and combined with brake cable 30.Drag-line combines The structure or shape of groove portion 355 can be different according to the style of brake cable 30 in connection.The present embodiment Drag-line combination groove portion 355 to the direction canyon topography parallel with the length direction of bolt 200 into.
Wherein, the direction parallel with the length direction of bolt 200 represents left and right directions when on the basis of Fig. 4.This The drag-line combination groove portion 355 of embodiment is to the brake cable 30 for being incorporated into drag-line combination groove portion 355 and the length direction of bolt 200 Parallel direction canyon topography is into preventing brake cable 30 and bolt 200 from interfering.
Fig. 5 is the sectional view of the state of the guide portion of display installation one embodiment of the invention, and Fig. 6 is the display present invention one The guide portion of individual embodiment and the schematic diagram of nut, Fig. 7 are guide portion and the combination of nut of display one embodiment of the invention The schematic diagram of state.
Reference picture 5 to Fig. 7, the holding brake device 1 of the present embodiment also includes guide portion 400.Guide portion 400 is fixed on shell Body portion 100, nut 300 is in connection in sliding manner, the movement of guiding nut 300.The guide portion 400 of the present embodiment includes drawing Lead body 410 and nut installation portion 450.
Guiding body 410 is fixed on the inner side of housing section 100.The outer peripheral face of the guiding body 410 of the present embodiment is fixed on Housing section 100 forms one with housing section 100, and to the length direction of bolt 200（Refer to right and left when on the basis of Fig. 5 To）Form long shape.
Nut installation portion 450 is hollowly formed at the inner side of guiding body 410, and is combined in sliding manner with nut 300. The nut installation portion 450 of the present embodiment is in order that nut body 310 combines in sliding manner, with corresponding to nut body 310 It is formed at guiding body 410, and side is opened by guide opening portion 470, prevents from drawing with nut the shaped depressions of profile Interfere rope joint portion 350.
The guide opening portion 470 of the present embodiment is formed to the direction parallel with the length direction of bolt 200, is accommodated nut and is drawn Rope joint portion 350, moved with guiding nut drag-line joint portion 350.
Illustrate the operation principle of the holding brake device 1 of one embodiment of the invention below.
When driver is by button or operating lever operation holding brake device 1, ECU20 starts drive division 10.If not being Electronic type device, then without ECU20 mechanical device, control stick can be passed through（It is not shown）Start Deng connection.
Revolving force is increased by reduction part 15 caused by drive division 10.Reduction part 15 makes bolt by increased revolving force 200 rotations.To lock or outward winding with being screwed for nut 300 when bolt 200 rotates so that bolt 200 and nut 300 move, With tension or take-off the brake drag-line 30.
Although bolt 200 engages rotation with reduction part 15, due to no axially fixed drive portion connecting portion 210, so axially moving.In addition, the rotation of nut 300 is limited by housing section 100 or guide portion 400, therefore Axially move so that the power for being applied to brake cable 30 is identical.
Bolt 200 penetrates the inner side of nut 300 and is screwed with it, therefore the straight line on bolt 200 of nut 300 is transported It is dynamic.
The holding brake device 1 of the present embodiment can pass through the length for the composition, significantly extension stroke for changing nut 300 Degree.
Also, the nut 300 of the holding brake device 1 of the present embodiment is simple in construction, volume and weight reduce, therefore can be with Reduce manufacture unit price.
Also, the holding brake device 1 of the present embodiment can prevent the grade of nut 300 from wearing by preventing nut 300 from rocking And it is damaged, and reduce noise.
The present invention is illustrated by reference to the embodiment of diagram, but this is only to illustrate, common belonging to the art It will be appreciated by the skilled person that various deformation and equal other embodiment can be obtained from this.

Claims (9)

  1. A kind of 1. holding brake device, it is characterised in that including：
    Housing section；
    Bolt, it is arranged at the housing section, rotated by drive division；And
    Nut, it is passed through and is screwed by the bolt,
    The nut includes:
    Nut body, it surrounds the outside of the bolt so that the bolt penetrates its inner side and is screwed；And
    Nut drag-line joint portion, it is incorporated into the nut body, and is combined with brake cable,
    The bolt includes：
    Drive division connecting portion, it, which has, forms corner post shape, and outer peripheral face is combined with the drive division in sliding manner, passes through institute Drive division is stated to be rotated；
    Bolt drag-line joint portion, it is convexly formed in the one end of the drive division connecting portion, is connected with brake cable；And
    Screw thread forming portion, it is convexly formed passes through in the other end of the drive division connecting portion, outer peripheral face formed with screw thread The screw thread is combined with the nut.
  2. 2. holding brake device according to claim 1, it is characterised in that the nut drag-line joint portion includes：
    Drag-line combination body, it is arranged at the outer peripheral face of the nut body；And
    Drag-line combination groove portion, it is formed at the drag-line combination body, and is combined with the brake cable.
  3. 3. holding brake device according to claim 2, it is characterised in that：
    The drag-line combination body forms one with the nut body.
  4. 4. holding brake device according to claim 2, it is characterised in that：
    The drag-line combination groove portion forms to the direction depression of the length direction parallel to the bolt.
  5. 5. holding brake device according to claim 1, it is characterised in that also include：
    Guide portion, it is fixed on the housing section, and the nut is combined with it in sliding manner, guides the shifting of the nut It is dynamic.
  6. 6. holding brake device according to claim 5, it is characterised in that the guide portion includes：
    Body is guided, it is arranged at the inner side of the housing section；And
    Nut installation portion, it is hollowly formed at the inner side of the guiding body, and the nut is combined with it in sliding manner.
  7. 7. holding brake device according to claim 6, it is characterised in that：
    The guiding body forms one with the housing section.
  8. 8. holding brake device according to claim 6, it is characterised in that the guide portion also includes：
    Guide opening portion, it is formed at the side of the guiding body, the nut drag-line joint portion is accommodated, to guide the spiral shell The movement of female drag-line joint portion.
  9. 9. holding brake device according to claim 8, it is characterised in that：
    The guide opening portion is formed to the direction parallel with the length direction of the bolt.
CN201410136866.5A 2013-12-10 2014-04-04 Holding brake device Expired - Fee Related CN104691521B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020130153475A KR101562911B1 (en) 2013-12-10 2013-12-10 Parking brake device
KR10-2013-0153475 2013-12-10

Publications (2)

Publication Number Publication Date
CN104691521A CN104691521A (en) 2015-06-10
CN104691521B true CN104691521B (en) 2017-12-29

Family

ID=53270705

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410136866.5A Expired - Fee Related CN104691521B (en) 2013-12-10 2014-04-04 Holding brake device

Country Status (3)

Country Link
US (1) US9328786B2 (en)
KR (1) KR101562911B1 (en)
CN (1) CN104691521B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11002326B2 (en) * 2016-08-31 2021-05-11 Mando Corporation Electronic parking brake

Citations (2)

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Also Published As

Publication number Publication date
CN104691521A (en) 2015-06-10
US9328786B2 (en) 2016-05-03
KR101562911B1 (en) 2015-10-23
US20150159711A1 (en) 2015-06-11
KR20150067927A (en) 2015-06-19

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